830 



INDEX, 



Kinetic theory of gases, on the 



application of probabilities to the, 



'248. 

 Konno (S.) on the variation of 



thermal conductivity during the 



fusion of metals, 542. 

 Landau (St.) on the dissociation of 



iodine vapour and its fluorts- 



cence, 189. 

 Lead, on ionization and resonance 



potentials for electrons in the 



vapour of, 73. 

 Light, on the path of a ray of, in the 



gravitation field of the sun, 327 ; 

 - on the scattering of, by un sym- 

 metrical atoms and molecules, 



393 ; on the scattering of, by 



electrons, 713 ; on the absurption 



of, by the Goldberg wedge, 775. 

 absorption and fluorescence, on, 



1, 15. 

 radiations emitted by the 



vapours of magnesium, copper, 



and manganese, on the, 296. 

 source, on a method of focussing 



the image of a, 316. 

 Lindemann (Prof. F. A.) on the 



velocity of chemical reaction, 671. 

 Loetschberg tunnel, on the radium 



content of the rocks of the, 466. 

 Lubrication, on the, of bismuth, 201. 

 McAulay (A.. L.) on an electrical 



method for the measurement of 



recoil radiations, 763. 

 Mackey (Miss I.) on the electrical 



conductivity of metals fused with 



mica, 283. 

 McLennan (Prof. J. C.) on the 



permeability of thin fabrics and 



films to hydrogen and helium, 



272. 

 Magnesium, on the light radiations 



emitted by the vapour of, 2U6 ; 



on, in the sun, 816. 

 Magnetic fields, on a double solenoid 



for the production of uniform, 



519. 



storms, on, 665. 



Manganese, on the light radiations 



emitted by the vapour of, 296. 

 Mass-spectra of chemical elements, 



on the, 628. 

 Meggers (Dr. W. F.) on atomic 



theory and low voltage arcs in 



caBsium vapour, 80. 

 Metallic state, on the electron theory 



of the, 746. 



Metals, on the variation of thermal 



conductivity during the fusion of, 



542. 

 Methane, on the ignition of, by 



electric sparks, 352. 

 Meyers (C. H) on a vapour pressure 



equation, 362. 

 Mica, on the electrical conduethity 



of copper fused with, 281. 

 Micrometer, on the ultra-, 634. 

 Milner (Dr. S. R.) on the energy 



of the Lorentz electron, 494. 

 Mohler (Dr. F. L.) on ionization and 



resonance potentials for electrons 



in vapours of lead and calcium, 73. 

 Molecules, on the scattering of light 



by unsyrnmetrical, 393. 

 Morton (Prof. W. B.) on the modifi- 

 cation of the parabolic trajectory 



on the theory of relativity, 674; 



on Einstein's law for addition of 



velocities, 771. 

 Murray (H. D.) on the prec'pitation 



of colloids, 578. 

 Nitrogen in the sun, on, 818. 

 Nucleus, on the charge on the atomic, 



734. 

 Observations, on the adjustment of, 



217, 680. 

 Oldham (R. D.) on a model to illus- 

 trate the origin of mountain ranges, 



825. 

 Optical effects due to the scattering 



of light by electrons, on, 713, 

 rotation, optical isomerism, and 



the ring-electron, on, 426. 

 Optics, on a projective theorem in 



geometrical, 113. 

 Orbit of a planet, on the, 499. 

 Oxygen in the sun, on, 815. 

 Parabolic equation for a graphically 



faired curve, on a method of 



finding a, 513. 

 trajectory, on the modification 



of the, on the theory of relativity, 



674. 

 Pearson (E. S.) on the advance of 



perihelion of a planet, 342. 

 Pederson (Prof. P. 0.) on the theory 



of ionization by collision, 129. 

 Pendulums, on triple, with mutual 



interaction, 611. 

 Perihelion of a planet, on the ad- 

 vance of the, o27, 342. 

 Phosphorus, on the mass-spectrum 



of, 632. 

 Planet, on the orbit of a, 499. 



